Tetra复合气体检测仪
添加时间：2009-10-20 编辑：C065 阅读：次
- 产品名称：Tetra复合气体检测仪
- 产品定货号：MR-00207-00
Tetra, is a unique multigas monitor for the detection of flammable gases, oxygen and toxic gases; Tetra offers flexibility, assurance, robustness and real value for money. Intrinsically safe, Tetra is the only portable gas detector with embedded software designed to the exacting requirements of IEC 61508-3 guaranteeing reliable and dependable operation.
- Up to four gases measured
- Digital interchangeable i-module sensors for full flexibility
- Loud 90dBA audible alarm with selectable tones Unique dual colour red/blue visual alarm
- Built in vibrating alarm as standard
- Rugged and robust, IP65 ingress protectio
- Simultaneous 4 gas display with automatic backlight
- Peak mode operation
- TWA reading recall
- Data & Event logging
- Simple IR interface to PC
Designed using the latest technologies, Tetra is simple to use, reliable, robust and fully weather protected.
Single button operation and intelligent sensor modules guarantee simplicity and flexibility of use.
The shockproof internal construction and self checking software assure reliable gas detection in the most arduous of environments. Tetra, a personal monitor you can trust.
- Reliable
- True single button operation – the most user friendly product available
- Li-ion rechargeable battery gives full 12 hours operation
- Easy to read backlit graphic display for gas readings and diagnostics
- Simple indications of operating status can be viewed at a glance
- 30 day countdown warning of calibration due date
- Flexible
- Fully interchangeable intelligent sensor modules
- Available with internal electric sampling pump
- Rechargeable and alkaline battery versions
- Robust
- Tough plastic construction with flexible internal assembly to resist shock and vibration
- Overmoulded rubber for added protection
- Water and dust resistant to IP65
- Assurance
- 94dBA audible alarm (@30cm)
- Piercingly bright dual red/blue visual alarm
- Internal vibrating alarm
- Two levels of instantaneous alarm
- Time weighted average alarm for 8 hours and 15 minute averages
Specifications
Weight: 498g (1.1lb)
Dimensions: 122x128x57mm (43/4 x5x21/2 inches) rechargeable. 134x128x57mm (51/4 x5x21/2 inches) nonrechargeable
| Gas |
Range |
Alarm UK/ROW |
Alarm USA |
| Flammable |
0-100%LEL |
20%LEL |
10%LEL |
| Oxygen |
0-25% |
19/23.5% |
19.5/23.5% |
| Hydrogen Sulphide |
0-50ppm |
5ppm |
10ppm |
| Carbon Monoxide |
0-500ppm |
30ppm |
35ppm |
| Sulphur Dioxide |
0-20ppm |
2ppm |
2ppm |
| Chlorine |
0-20ppm |
0.5ppm |
0.5ppm |
| Nitrogen Dioxide |
0-10ppm |
3ppm |
3ppm |
| Ammonia |
0-100ppm |
25ppm |
25ppm |
| Ozone |
0-1ppm |
0.1ppm |
0.1ppm |
| Hydrogen |
0-1000ppm |
N/A |
N/A |
| Hydrogen Cyanide |
0-25ppm |
5ppm |
5ppm |
| Hydrogen Chloride |
0-10ppm |
1ppm |
1ppm |
| Hydrogen Fluoride |
0-10ppm |
1ppm |
1ppm |
| Phosphine |
0-5ppm |
0.2ppm |
0.2ppm |
| Fluorine |
0-1ppm |
0.1ppm |
0.1ppm |
| Phosgene |
0-1ppm |
0.1ppm |
0.1ppm |
| Ethylene oxide |
0-10ppm |
1ppm |
1ppm |
| Nitric oxide |
0-100ppm |
25ppm |
25ppm |
Other ranges and alarm levels are available on request. Each gas channel can have two instantaneous alarm levels set. Toxic channels also have Time Weighted Average alarms.
Flammable gas calibration is available for methane, propane, butane, pentane, hydrogen and ethylene as standard.
Typical response times: Flammable 20 s, Toxic gas 20 s, Oxygen 10s
Audible Alarms: 94dBA @ 30cm (1ft). Multiple alarm sounds allow selection of distinctive tones for different alarm levels
Visible Alarms: Dual colour red/blue flashing LED pair in gas hazard
Vibrating Alarm: Internal vibrating alarm
Display: 128x64 graphic LCD with backlight, giving simultaneous display for all gas channels. Graphic symbols for battery (with proportional indication of remaining operation time), pump operation, healthy operation or fault warning. Start up indication when calibration is due within 30 days, calibration overdue, or service required.
Display Mode: Normal display for real time gas concentration levels. Display recall for Peak readings and TWA
Datalogging: Timed datalogging: 50 hours at 1-minute data rate Event logging: >1500 events
Battery Types: Rechargable Li-ion battery. Non rechargeable pack 3xAA Alkaline cells
Operating time: Based on pumped four gas unit with flammable sensor - Rechargeable 12 hours minimum, Non-rechargeable 11 hours minimum
Sampling: Hand aspirator or internal electric sampling pump
Operating temp. range: -20oC to +55oC (-4oF to +131oF)
Humidity: 0-99% RH
Ingress Protection: IP65
Approval Codes - Europe: ATEX II 2G EEx iad IIC T4 (Tamb -20oC to +55oC) BASEEFA 03ATEX0193
Approval Codes - USA: UL/cUL Class I Division 1 Groups A, B, C, D.
Safety Standards - Europe: EN50014, EN50020, EN50018, 94/9/EC
Safety Standards - USA & Canada: UL913, CSA22.2, 152
Operation Standards: EN50270, EN50271, IEC61508, EN61779
PC Interface: IR link for RS232 connection. USB/RS232 Converter available. Portables PC software package provides full configuration control, calibration and access to the Data and Event files.
Autocalibrator: Tetra can be routinely calibrated using the Castle Autocalibrator II in conjunction with the Portables PC software.
Accessories: Tetra is supplied with an integral belt/pocket clip. Pumped units are supplied with a sampling kit (flowplate and 2m(6ft) tubing)
Plug in charging power supplies are available in UK, European or US style. In line versions for 110V or 230V AC have flying lead for fitment of suitable mains plug. A vehicle lighter socket charger is available. Optional accessories include: universal harness plate, shoulder strap, chest harness, carry case, aspirator assembly (flow plate bulb and 2m/6ft tubing), fixed and telescopic sample probes, and an in-line water trap.
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